Smartsensor AS804 数字噪音计（30~130 dBA;±1.5dB）
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制造商: SMARTSENSOR Model: AS804 来源: China 保障: 12 month -
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Microphone: 1/2 inch Condenser Microphone
Measuring Level: 30~130 dBA
Accuracy: ±1.5dB
Frequency Range: 31.5HZ~8.5KHZ
Frequency Weighting: A
Level Range Bar Graph: no
Range Selection: no
Range Over Indication: no
Battery Indication: yes
Backlight Display: yes
Max & Min Hold Function: yes
Digit & Resolution: 4 digits & 0.1dB
Time Weighting: no
Auto Power Off: yes
External power supply: yes
Sampling Frequency: 2 times/sec
Power: 3x1.5AAA battery
Dimensions: 155*50*25mm
Weight: 75g
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Datasheet
